54139475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 78744960

約数和(自身を除く): 24605485

約数列:

[1, 5, 13, 17, 25, 41, 65, 85, 205, 221, 239, 325, 425, 533, 697, 1025, 1105, 1195, 2665, 3107, 3485, 4063, 5525, 5975, 9061, 9799, 13325, 15535, 17425, 20315, 45305, 48995, 52819, 77675, 101575, 127387, 166583, 226525, 244975, 264095, 636935, 832915, 1320475, 2165579, 3184675, 4164575, 10827895, 54139475]

約数ペア:

[(1, 54139475), (5, 10827895), (13, 4164575), (17, 3184675), (25, 2165579), (41, 1320475), (65, 832915), (85, 636935), (205, 264095), (221, 244975), (239, 226525), (325, 166583), (425, 127387), (533, 101575), (697, 77675), (1025, 52819), (1105, 48995), (1195, 45305), (2665, 20315), (3107, 17425), (3485, 15535), (4063, 13325), (5525, 9799), (5975, 9061)]